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from __future__ import annotations
import re
from typing import TYPE_CHECKING, List, Match, Optional
from slack.shared import shared
from slack.slack_user import SlackUser, SlackUsergroup, format_bot_nick
from slack.task import gather
from slack.util import with_color
if TYPE_CHECKING:
from slack_api.slack_conversations_history import SlackMessage as SlackMessageDict
from slack.slack_conversation import SlackConversation
from slack.slack_workspace import SlackWorkspace
class SlackMessage:
def __init__(self, conversation: SlackConversation, message_json: SlackMessageDict):
self._message_json = message_json
self.conversation = conversation
self.ts = message_json["ts"]
@property
def workspace(self) -> SlackWorkspace:
return self.conversation.workspace
@property
def sender_user_id(self) -> Optional[str]:
return self._message_json.get("user")
async def render_message(self) -> str:
prefix_coro = self._prefix()
message_coro = self._unfurl_refs(self._message_json["text"])
prefix, message = await gather(prefix_coro, message_coro)
return f"{prefix}\t{message}"
async def _prefix(self) -> str:
if (
"subtype" in self._message_json
and self._message_json["subtype"] == "bot_message"
):
username = self._message_json.get("username")
if username:
return format_bot_nick(username, colorize=True)
else:
bot = await self.workspace.bots[self._message_json["bot_id"]]
return bot.nick(colorize=True)
else:
user = await self.workspace.users[self._message_json["user"]]
return user.nick(colorize=True)
async def _unfurl_refs(self, message: str) -> str:
re_mention = re.compile(r"<@(?P<user>[^>]+)>|<!subteam\^(?P<usergroup>[^>]+)>")
mention_matches = list(re_mention.finditer(message))
user_ids: List[str] = [
match["user"] for match in mention_matches if match["user"]
]
usergroup_ids: List[str] = [
match["usergroup"] for match in mention_matches if match["usergroup"]
]
users_list = await gather(
*(self.workspace.users[user_id] for user_id in user_ids),
return_exceptions=True,
)
users = dict(zip(user_ids, users_list))
usergroups_list = await gather(
*(
self.workspace.usergroups[usergroup_id]
for usergroup_id in usergroup_ids
),
return_exceptions=True,
)
usergroups = dict(zip(usergroup_ids, usergroups_list))
def unfurl_ref(match: Match[str]):
if match["user"]:
return unfurl_user(match["user"])
elif match["usergroup"]:
return unfurl_usergroup(match["usergroup"])
else:
return match[0]
def unfurl_user(user_id: str):
user = users[user_id]
if isinstance(user, SlackUser):
return with_color(
shared.config.color.user_mention_color.value, "@" + user.nick()
)
else:
return f"@{user_id}"
def unfurl_usergroup(usergroup_id: str):
usergroup = usergroups[usergroup_id]
if isinstance(usergroup, SlackUsergroup):
return with_color(
shared.config.color.usergroup_mention_color.value,
"@" + usergroup.handle(),
)
else:
return f"@{usergroup_id}"
return re_mention.sub(unfurl_ref, message)
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